A new generation of wide - range input railway special DC/DC power module

May 10 , 2021

We launched a new RAHS series 200W DC-DC converter, which can meet the nominal 24Vdc (9Vdc~36Vdc) or 110Vdc (40Vdc~160Vdc) input voltage requirements, has the characteristics of high power density, high reliability, high security, mainly used in rail transportation industry.

The RAHS200 series products adopt the international standard half brick shape and 4:1 wide input voltage range, covering most of the DC-DC Converter's steady-state and transient input requirements of the railway industry. The efficiency is as high as 90%, and the working environment temperature is -40 degrees ~70 degrees. The input and output, input and shell, output and shell isolation voltage are all 1500Vac. In addition, it has the functions of input undervoltage, output overvoltage, output overcurrent, output short circuit and over temperature protection. All RAHS200 series of products are designed to meet the requirements of EN50155.

The main features and advantages of RAHS200 series products:

◆Standard half brick shape

◆Wide input voltage range 9Vdc-36Vdc, or 40Vdc-160Vdc

◆The efficiency is up to 90%

◆1500vac Isolation voltage

◆Working environment temperature at -40 C -70 C

◆Meet EN50155

EMC design:

Note: detailed specification of device parameters

Typical EMI conduction test waveform (EN55032 Class A):

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